-Strengthen & Enchanting The equipment and costume for the character can be strengthened and enchanted. Strengthening and Enchanting increase stats for attack power, avoid rate, hit rate, and etc. Strengthening requires a strengthening stone and you can strengthen up to +20 strength. If you fail, the equipment stat will decrease or the equipment will be destroyed. +2 strength critical will occur in consistent rates, and a protect book can prevent straightening failure. Enchanting requires a magic stone and depending on the equipment level, you can enchant up to three times.
-Fusion Sometimes equipment of higher level can be created through a fusion of rain and the costume. Dropped items and Recipe items can be fused as well and can be used to arrange items.